phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('58059474bba166eea5b94ce829e8b10a', -1, 1708979090, 1708979090, '2cc00ffb', -11, 0, 0)

Line : 187
File : sessions.php